Search results
Results from the WOW.Com Content Network
Fish can also learn to recognize the odor of dangerous sites when they are simultaneously exposed to it and to other fish that suddenly show a fright reaction. [97] Hatchery-raised salmon can learn the smell of a predator by being simultaneously exposed to it and to the alarm substance released by injured salmon.
Gouramis, or gouramies / ɡ ʊ ˈ r ɑː m i /, are a group of freshwater anabantiform fish that comprise the family Osphronemidae. The fish are native to Asia—from the Indian Subcontinent to Southeast Asia and northeasterly towards Korea. The name "gourami", of Indonesian origin, is also used for fish of the families Helostomatidae and ...
The small fish Danionella cerebrum makes the loudest sound for its size of any fish, using muscles to tension a cartilage; this is released to strike the swim bladder. [10] Aquatic animals use mechanoreceptors to detect acoustic signals.
Eric Roberts is one with animals. “I’m convinced the fish in our pond [recognize] my singing voice,” Roberts, 67, exclusively tells Us Weekly‘s 25 Things You Don’t Know About Me, noting ...
According to the Cambridge Declaration on Consciousness, "near human-like levels of consciousness" have been observed in the grey parrot. [1]Animal consciousness, or animal awareness, is the quality or state of self-awareness within an animal, or of being aware of an external object or something within itself.
The best types of fish for first-time owners are fuss-free, easy to maintain, and hardy. But just because they might be a dream to look after, it doesn’t mean they’re dull.
They will breed in captivity, even in tanks as small as 510 L (135 gal), though full-grown sharks are best housed in tanks of 680 L (180 gal) or more. They are not compatible with community tanks as they will eat other fish. [25] The International Union for Conservation of Nature (IUCN) has assessed the epaulette shark as of Least Concern.
[33] [34] By using positive reinforcement, goldfish can be trained to recognize and to react to light signals of different colors [35] or to perform tricks. [36] Fish respond to certain colors most evidently in relation to feeding. [32] Fish learn to anticipate feedings provided they occur at around the same time every day.